Pharmaceutical compound



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7 To all whom it concern:

Be it known that we, HERMANN WEYLAND, HANS HAHL, and RUDoLF BERENDES, citizens of Germany, residing at Elberfeld, Germany, have invented new and useful Improvements in Pharmaceutical Compound (for which we have filed applications in Germany, September 3, 1919; in Austria, August 23 1920; Czecho-Slo-vakia, December 6, 1920; witzerland, August 21, 1920; and in Japan, March 16, 1921), of which the following is a specification.

We have found that a new product for therapeutic use, being a valuable remedy I We can proceed as follows, the parts being,

against scabies, is obtained by treating toluene with sulfur and aluminium chlorid.

In carrying out the invention practically by weight :-===1000'parts of toluene, 330 arts of sulfur and 80 parts of aluminium ch orid are heated to boiling in 'a vessel provided with a reflux condenser until the evolution of SH, and H61 ceases. poured into water, dried and distilled in The oil isthen Specification of Letters Patent. Patented Aug. 29, 1922. Application filed August 9, 1921. Serial No. 490,698.

vacuo. For further I purification it can be shaken with alkali.

The new product. isa ellowish oil boil-.

ing at from 150 to 230 under a pressure of 3 mm. It contains from 23 to 25 per cent sulfur.

We claim:

The herein-described new pharmaceutical compound being a condesation product obtained from toluene, sulfur and aluminium chlorid; being a yellowish oil boiling at from 150 to 230 C. under a pressure of 3 mm. containing from 23 to 25 per cent sulfur; and being a valuable remedy against scabies, substantially as described.

In testimony whereof we have hereunto set our hands in the presence of two subscribing witnesses.

WHJHELM KREIKENBOHM, ED'UABD SoNNnNBnne. 

